Muscle Contractions. Do Now Riddle Homework Flashcards.

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Presentation transcript:

Muscle Contractions

Do Now Riddle

Homework Flashcards

Types of Muscle Contraction 3 Different types of muscle contraction that are used in a variety of situations Isometric Eccentric Concentric

Isometrics Isometrics are when there is a muscle contraction, but not change in muscle length Great strengthening tool, used when pain is felt in a ROM Example: Planks, Pushing a wall, wall squat Can exert considerable force on an immovable object, even though not movement occurs

Concentric Most widely known form of muscle contraction During contraction, muscle length shortens to overcome resistance Example: Bicep curl

Eccentric Commonly underutilized muscle strengthening technique Resistance is greater than the muscular force being produced Leads to a lengthening of the muscle while contracting, instead of a shortening Not to say that the weight has to be too heavy to lift

Resistance Training Techniques There are a countless number of ways to improve in strength training Functional Exercises Isometrics Progressive Resistance Exercise Isokinetics Plyometrics

Functional Exercises What does functional mean to you? Functional has to do with “sport specific” exercises Ladder drills LAX stick Football Basketball “Kinetic Chain”

Homework Read p.202 – 204 (Read the part on Anabolic Steroids) Answer Qs on p.205